The issue is a DNSSEC validation bypass where wildcard expansion proofs (NSEC/NSEC3 records) are accepted without signature validation when the wildcard answer is a CNAME or DNAME record.
Metrics
Affected Vendors & Products
References
History
Thu, 23 Jul 2026 14:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-347 | |
| Metrics |
ssvc
|
Thu, 23 Jul 2026 09:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Powerdns
Powerdns recursor |
|
| Vendors & Products |
Powerdns
Powerdns recursor |
Thu, 23 Jul 2026 08:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | The issue is a DNSSEC validation bypass where wildcard expansion proofs (NSEC/NSEC3 records) are accepted without signature validation when the wildcard answer is a CNAME or DNAME record. | |
| Title | Wildcard CNAME proof validation bypass | |
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: OX
Published:
Updated: 2026-07-23T13:56:55.653Z
Reserved: 2026-06-08T08:05:31.707Z
Link: CVE-2026-52686
Updated: 2026-07-23T13:56:50.788Z
No data.
No data.
OpenCVE Enrichment
Updated: 2026-07-23T09:30:16Z